GB8517523D0 - Coloured flourescent lamp assembly - Google Patents
Coloured flourescent lamp assemblyInfo
- Publication number
- GB8517523D0 GB8517523D0 GB858517523A GB8517523A GB8517523D0 GB 8517523 D0 GB8517523 D0 GB 8517523D0 GB 858517523 A GB858517523 A GB 858517523A GB 8517523 A GB8517523 A GB 8517523A GB 8517523 D0 GB8517523 D0 GB 8517523D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- coloured
- lamp assembly
- flourescent lamp
- flourescent
- assembly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J61/00—Gas-discharge or vapour-discharge lamps
- H01J61/92—Lamps with more than one main discharge path
- H01J61/94—Paths producing light of different wavelengths, e.g. for simulating daylight
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59255461A JPS61133551A (en) | 1984-12-03 | 1984-12-03 | Fluorescent lamp |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8517523D0 true GB8517523D0 (en) | 1985-08-14 |
GB2167895A GB2167895A (en) | 1986-06-04 |
GB2167895B GB2167895B (en) | 1989-06-01 |
Family
ID=17279084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB8517523A Expired GB2167895B (en) | 1984-12-03 | 1985-07-11 | Colored fluorescent lamp assembly |
Country Status (5)
Country | Link |
---|---|
US (1) | US4665341A (en) |
JP (1) | JPS61133551A (en) |
DE (1) | DE3525939A1 (en) |
FR (1) | FR2574220B1 (en) |
GB (1) | GB2167895B (en) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL8501340A (en) * | 1985-05-10 | 1986-12-01 | Philips Nv | LOW-PRESSURE MERCURY DISCHARGE LAMP. |
DE3584635D1 (en) * | 1985-11-21 | 1991-12-12 | Gte Licht Gmbh | LOW PRESSURE DISCHARGE LIGHT SOURCE UNIT. |
JPS62252061A (en) * | 1986-04-22 | 1987-11-02 | 周 成祥 | Composite color light emitting discharge lamp |
KR900008228B1 (en) * | 1986-10-31 | 1990-11-06 | 가부시기가이샤 도시바 | Fluorescent lamp emitting the multi-colored beam |
US5003220A (en) * | 1987-06-22 | 1991-03-26 | Gte Products Corporation | Integral lamp for tri-color picture element |
DE3864611D1 (en) * | 1987-07-09 | 1991-10-10 | Matsushita Electric Works Ltd | COLOR FLUORESCENT LAMP DISPLAY UNIT. |
HU201439B (en) * | 1988-06-15 | 1990-10-28 | Jozsef Ladanyi | Light source constructed from gas discharge tubes |
US4934768A (en) * | 1988-06-27 | 1990-06-19 | Gte Products Corporation | Picture element lamp assembly for information display system |
US4990821A (en) * | 1988-06-27 | 1991-02-05 | Gte Products Corporation | Multicolor picture element with merged colors |
US4937487A (en) * | 1988-08-16 | 1990-06-26 | Gte Products Corporation | Picture element lamp assembly for information display system |
US5138223A (en) * | 1989-06-17 | 1992-08-11 | Toshiba Lighting & Technology Corporation | Tubular fluorescent lamp with intermediate electrode |
US5027041A (en) * | 1990-01-16 | 1991-06-25 | Gte Products Corporation | Integrated radio-frequency light source for large scale display |
US5019750A (en) * | 1990-01-16 | 1991-05-28 | Gte Products Corporation | Radio-frequency driven display |
FR2696816B1 (en) * | 1992-10-12 | 1994-12-30 | Valeo Vision | Glow discharge lighting or signaling device for a motor vehicle. |
GB2293267B (en) * | 1994-09-08 | 1998-06-03 | Chilong Data Products Corp | Glass tube lamp matrix device |
DE19829270B4 (en) * | 1997-07-02 | 2006-03-16 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | lamp |
JP3265575B2 (en) * | 1999-12-24 | 2002-03-11 | 日本精機株式会社 | Light emitting display |
EP1384251A1 (en) * | 2001-05-03 | 2004-01-28 | Alan Shields | Lamp with multiple light-producing elements |
DE10233768A1 (en) * | 2002-07-25 | 2004-02-12 | Philips Intellectual Property & Standards Gmbh | Lamp system with green-blue gas discharge lamp and yellow-red LED |
WO2005041622A1 (en) * | 2003-10-24 | 2005-05-06 | Koninklijke Philips Electronics N.V. | Ballast |
DE102004006614A1 (en) * | 2004-02-10 | 2005-08-25 | Patent-Treuhand-Gesellschaft für elektrische Glühlampen mbH | lighting device |
CN100423171C (en) * | 2004-07-08 | 2008-10-01 | 利胜电光源(厦门)有限公司 | Compact type fluorescent lamp |
US8102121B2 (en) * | 2007-02-26 | 2012-01-24 | Osram Sylvania Inc. | Single-ended ceramic discharge lamp |
US8994288B2 (en) | 2013-03-07 | 2015-03-31 | Osram Sylvania Inc. | Pulse-excited mercury-free lamp system |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB313729A (en) * | 1928-05-25 | 1929-06-20 | Paul Freedman | Improvements in and relating to metallic vapour electrical discharge devices |
US2265323A (en) * | 1932-07-13 | 1941-12-09 | Gen Electric | Gas and metal vapor discharge tube and means for preventing flicker therein |
US2102190A (en) * | 1934-01-05 | 1937-12-14 | Fed Electric Company Inc | Discharge apparatus and method |
US2121333A (en) * | 1934-06-23 | 1938-06-21 | Fed Electric Company Inc | Gaseous conduction device |
BE433935A (en) * | 1938-05-19 | |||
GB619721A (en) * | 1946-12-20 | 1949-03-14 | Gen Electric Co Ltd | Improvements in or relating to low-pressure electric discharge lamps |
US3849689A (en) * | 1973-07-02 | 1974-11-19 | Gen Electric | Sequential discharge fluorescent lamp |
NL179854C (en) * | 1977-08-23 | 1986-11-17 | Philips Nv | LOW-PRESSURE MERCURY DISCHARGE LAMP. |
US4208618A (en) * | 1978-09-20 | 1980-06-17 | Westinghouse Electric Corp. | Compact single-ended fluorescent lamp |
US4272703A (en) * | 1979-06-15 | 1981-06-09 | Edwin E. Eckberg | D.C. Voltage fluorescent lamp |
JPS588108A (en) * | 1981-07-07 | 1983-01-18 | 清成 啓治 | Dual shield helmet |
JPS59154739A (en) * | 1983-02-21 | 1984-09-03 | Toshiba Corp | Low pressure mercury vapor discharge lamp for indicator element |
JPS6023947A (en) * | 1983-07-18 | 1985-02-06 | Matsushita Electric Works Ltd | Color discharge lamp and its control |
US4587462A (en) * | 1984-08-10 | 1986-05-06 | Gte Laboratories Incorporated | Fluorescent light source with parallel DC discharges |
-
1984
- 1984-12-03 JP JP59255461A patent/JPS61133551A/en active Granted
-
1985
- 1985-07-11 GB GB8517523A patent/GB2167895B/en not_active Expired
- 1985-07-18 US US06/756,452 patent/US4665341A/en not_active Expired - Lifetime
- 1985-07-19 DE DE19853525939 patent/DE3525939A1/en active Granted
- 1985-07-24 FR FR858511334A patent/FR2574220B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0316739B2 (en) | 1991-03-06 |
DE3525939A1 (en) | 1986-06-05 |
GB2167895B (en) | 1989-06-01 |
FR2574220A1 (en) | 1986-06-06 |
JPS61133551A (en) | 1986-06-20 |
US4665341A (en) | 1987-05-12 |
DE3525939C2 (en) | 1988-01-14 |
FR2574220B1 (en) | 1990-10-05 |
GB2167895A (en) | 1986-06-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940711 |